Crossing over is the exchange of genetic material from homologous chromosomes as they are being aligned, gene by gene. This results in recombinant chromosomes which leads to the production of recombinant (or non-parental type) phenotypes.
Crossing over :
A. helps produce recombinant phenotypes.
B. occurs during prophase I of meiosis.
C. Can also occur in mitosis.
D. All of the above
E. B and C only
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Mitosis vs. Meiosis concept. If you need more Mitosis vs. Meiosis practice, you can also practice Mitosis vs. Meiosis practice problems.